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Marizza181 [45]
2 years ago
9

Jordyn had an 8-ounce glass of water. She drank 4.7 ounces and poured another 3.5 ounces into her glass. Which expression repres

ents the amount of water that is in the glass now?
Mathematics
1 answer:
Maksim231197 [3]2 years ago
3 0
6.8 oz would be the final answer but an expression could possibly be 8-4.7+3.5
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The altitude of a triangle is increasing at a rate of 1 cm/min while the area of the triangle is increasing at a rate of 2 cm2/m
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Answer:

The base is reducing at a rate of 3.4cm per min.

Step-by-step explanation:

Let The Height of the Triangle, h

Area of the triangle = A

Area of a Triangle, A= \frac{1}{2}bh

When A=190 cm^2, h=10cm

190= \frac{1}{2}*b*10\\b=38cm

\frac{dA}{dt}=\frac{1}{2}h\frac{db}{dt}+ \frac{1}{2}b\frac{dh}{dt}\\\frac{dh}{dt}=1 cm/min, \frac{dA}{dt}=2cm^2/min,

2=\frac{1}{2}*10*\frac{db}{dt}+ \frac{1}{2}*38*1\\2=5\frac{db}{dt}+19\\2-19=5\frac{db}{dt}\\-17=5\frac{db}{dt}\\\frac{db}{dt}=-\frac{17}{5} =-3.4 cm/min

The base is reducing at a rate of 3.4cm per min.

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I NEED HELP DONT COMMENT IF YOU'RE DONT KNOW
stepan [7]
<span>12.6≤<span>g+17.4</span></span>  Flip the equation.<span><span>  g+17.4</span>≥12.6</span>  Subtract 17.4 from both sides.<span><span><span>  g+17.4</span>−17.4</span>≥<span>12.6−17.4</span></span><span>  g≥<span>−4.8</span></span>   Answer:  <span>g≥<span>−<span>4.8</span></span></span>
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3 years ago
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